He had a hard time believing most people were crazy, what with all he knew and had seen, though he had classed a few people as such because they just weren't right for a human or a demon. Something told him she was not on the latter scale, or perhaps he just hoped so.
He wouldn't dwell on it for now, either way, seeing no reason to and so simply carries on the conversation.
"Exactly." He chuckles at her reference to yelling at walls, adding. "My friend Kuwabara tends to yell 'where are you hiding that line, damnit? I know I just saw it' at his textbooks when he's tired.
"And yes, very new. Arrived yesterday.". He stands to move towards Bev, who may now notice he is close to six foot tall, and offers her a hand. "My name is Shuuichi. Pleasure to meet you, Bev."